mkdir

Has the -p, -v, and -m switches.
Invoke with no args to get help.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Getting tczs and running them works

We're still missing a dependency; e.g.
tcz acl
/usr/local/bin/chacl

gets a failure because libattr.so is missing.
But how do we find that dependency?

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>